Fixing issue with dockerhub image build

Author: d4nt

Dockerfile

@@ -7,7 +7,7 @@ RUN dotnet publish --no-restore -c Release ./Web/QueryTree.csproj -o /dist
 FROM microsoft/dotnet:2.2-aspnetcore-runtime as runtime
 WORKDIR /app
 COPY --from=builder /dist .
-COPY ./Web/EmailTemplates ./EmailTemplates
+COPY --from=builder /build/Web/EmailTemplates ./EmailTemplates
 VOLUME /var/lib/querytree
 ENV ConnectionStrings__DefaultConnection="Filename=/var/lib/querytree/querytree.db;"
 ENV Passwords__Keyfile="/var/lib/querytree/querytree.key"